Tex. Loc. Gov't Code § 89.003
The commissioners court of a county with a population of more than one million may establish a central mailing system to serve:
Added by Acts 1995, 74th Leg., ch. 146, Sec. 1, eff. May 19, 1995. Renumbered from Local Government Code Sec. 81.029 by Acts 1997, 75th Leg., ch. 165, Sec. 31.01(65), eff. Sept. 1, 1997. Renumbered from Sec. 81.030 by Acts 1999, 76th Leg., ch. 62, Sec. 13.03(b), eff. Sept. 1, 1999.